Wells Fargo & Company is an American multinational banking and financial services holding company headquartered in San Francisco, California, with "hubquarters" throughout the country.[4] It is the third largest bank in the U.S. by assets and the largest bank by market capitalization. In July 2015, Wells Fargo became the world's largest bank by market capitalization, edging past ICBC. Wells Fargo surpassed Citigroup Inc. to become the third-largest U.S. bank by assets at the end of 2015. Wells Fargo is the second largest bank in deposits, home mortgage servicing, and debit cards.